DenominatorHater
DenominatorHater DenominatorHater
  • 22-01-2016
  • Mathematics
contestada

Factor 4x^2 - 36 completely.

Factor 4x2 36 completely class=

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Nightowl0
Nightowl0 Nightowl0
  • 22-01-2016


Factor: 4x^2-36

4x^2-36
=4(x+3)(x-3)
4(x+3) (x-3) 

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20868
20868 20868
  • 22-01-2016
you're answer is C because you can do the F.O.I.L. and then multiply it by 4. like this:

   4(x+3)(x-3)
4(x^2+3x-3x-9)
4x^2-36.

F.O.I.L is:
 First Term
Outer Term
Iner Term
Last Term.

Answer Link

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